... air as gas source 2. Maximum Cutting Width is 20mm metal cutting machine Description of air plasma cutting machine: 1.can cut metals such ... steel, copper, aluminum etc.LGK-63 Air Plasma Cuttermetal cutting machine ModelLGK-40LGK-63LGK-100LGK-160LGK-200Rated input voltage (V)3 ... , carbon steel, copper, aluminum etc. Even can cut any pattern at all positions.3.Narrow and smooth kerfs, no deformation ...